Weather forecast method based on large data and weather analysis field and system thereof

A technology of meteorological analysis and weather forecast, which is applied in meteorology, weather condition forecasting, measuring devices, etc., and can solve problems such as large errors

Active Publication Date: 2017-01-04
SOUTH CHINA NORMAL UNIVERSITY
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Problems solved by technology

The above-mentioned numerical prediction method is based on a mathematical model for model derivation, and the error is relatively large

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  • Weather forecast method based on large data and weather analysis field and system thereof
  • Weather forecast method based on large data and weather analysis field and system thereof
  • Weather forecast method based on large data and weather analysis field and system thereof

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Embodiment Construction

[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0050] in such as figure 1 In the shown embodiment, a kind of weather forecasting method is provided, and this method comprises the steps:

[0051] Step S102: Obtain a first sequence of meteorological analysis fields between the first historical moment and the current moment with a set duration from the current moment, and the first sequence of meteorological analysis fields is the meteorological data within the set forecast area.

[0052]Specifically, the meteorological data is pre-stored in the server, and at the same time, the real-time meteorological data can be stored in real time. In anothe...

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Abstract

The invention relates to a weather forecast method. The method comprises the following steps of acquiring a first weather analysis field sequence in a forecast area between a first historical moment which has a set duration with a current moment and the current moment; searching a second historical moment which has a forecast duration with the current moment; acquiring a second weather analysis field sequence in a forecast area before the second historical moment, and calculating a matching degree of the first weather analysis field sequence and the second weather analysis field sequence; when the calculated matching degree is not less than a preset threshold, acquiring a third weather analysis field sequence which takes an end moment of the second weather analysis field sequence as an initial moment and whose time duration equals to the forecast duration and taking the acquired third weather analysis field sequence as forecast weather data corresponding to the forecast duration in the forecast area. Through the historical weather data, weather forecast is performed, and accuracy of the weather forecast is high.

Description

technical field [0001] The invention relates to the technical field of weather forecasting, in particular to a weather forecasting method and system based on big data and weather analysis fields. Background technique [0002] Weather changes are closely related to people's production activities, social activities, military activities and daily life. For a long time, people have always tried to predict future weather changes in order to take advantage of favorable weather and prevent meteorological disasters caused by unfavorable weather in advance. [0003] In traditional technology, people use numerical forecasting method to forecast the weather. The principle of numerical forecasting is: to obtain meteorological images through weather maps or satellite cloud images, and under certain initial and boundary value conditions, use large-scale computers to perform numerical calculations and solve descriptions. The fluid dynamics and thermodynamic equations of the weather evolut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/10
CPCG01W1/10
Inventor 朱定局
Owner SOUTH CHINA NORMAL UNIVERSITY
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